PMSM motor loading
Hi, I am using EMJ 04 PB22 PMSM motor, 3000 rpm . I am planning to load my motor with another motor. How to select the loading motor .What all considerations should be taken care of?Regards,Dijo Paulson
View Article4 phase & 5 wires stepper motor driver IC
Hola,Does TI have 4 phase & 5 wires stepper motor driver IC can be suggested？
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DRV8301 Shunt Amp output capacitor
Hi,My customer is using DRV8301. He has below question about shunt amp output capacitor. In datasheet page 7, Recommend CO_OPA value is showed. Could you answer me below question, please?Q1:Why is...
View ArticleDRV8860 ENABLE Pin
Hi, I would like to omit the usage of the enable pin by tying high in our design; however I'm not sure how/when the ENABLE pin is used. It's not shown on the timing diagrams. Do you toggle it low only...
View ArticleDRV103 minimum current rating
Hi,We are evaluating the TI's solenoid drivers to drive a Solenoid Valve (water pipe's) power ratings 12V & 500mA. We are interested in solenoid driver's with integrated MOSFET and although DRV103...
View ArticleDRV10983 EVM: Problem driving a blower motor
Dear TI Team Member,My name is Rick Casler and I am the VP of Engineering at Grabit Inc., a start-up in Silicon Valley. Grabit is developing robotic assembly systems. We are evaluating the DRV10983...
View ArticleLAUNCHXL-F28069M + BOOSTXL-DRV8305EVM - Getting error flag FETLB_VGS during...
I recently acquired new LAUNCHXL-F28069M + BOOSTXL-DRV8305EVM to prototype motor driver for PMAC motor. I am using motorware v.16 to prototype my drive.I am following instaspin-foc labs to get familiar...
View ArticleDc fan precise speed control
Hello,What would be the best way to precisely hold a dc fan (5v pc fan brushless motor) speed locked at a set speed? The speed would be controlled with a arm development board (Teensey).I need to blow...
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DRV8307_Phase voltage waveform
hellomy name is sean .I have a question about phase voltage waveform of DRV8307.When you measure the phase voltage to drive the BLDC motor in DRV8307 EVM B'D, it is as follows.In general, when bldc...
View ArticleDRV8412
For the NC pins, is the recommendation is to grounded them (as indicated in the d/s) since in the EVM the NC pin are left open?
View ArticleModbus communication on ubuntu 14.04
Dear All,I am running Modbus application. application is running perfactly file on ubuntu 12.04 32 bit. but when I run same application on ubuntu 14.04 64 bit. I got below error.Value of Connect_flag =...
View ArticleDRV8308EVM - Brake function
Hello,ich have the eval-board for the DRV8308 BLDC-Motor-Driver.After a few start- ups the motor running as I want to.In our application of the motor at a standstill must keep a force. I thought that...
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DRV8841 question
Hola,Can DRV8841 do the microstepping with 1/32 like DRV8825？If not, what's the minimum microstepping of DRV8841？
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DRV8830 motor control
Hi!I would like to operate motor using cc2650STK, drv8830, DC 6V 55RPM TS-32Gz370-69.using IAR Embedded Workbench IDEbut it didn`t operate at all.... i using Api sensorTag adding drv8830.c and...
View Articledrv8824 problem with first move after power cycle
I am using the drv8824 connected to the tms32f28069 using encoder pulses to provide feedback from the motor. It appears to behave perfectly, except for one occasional anomaly. After a power cycle,...
View ArticleDRV8711 maximize output current
Hello,i want to drive a 2mH stepper motor via the DRV8711. I'm currently controlling the driver with an Arduino MEGA. For our purposes we want to drive the motor with2,67A max currentusing half...
View ArticleDRV8303 external fet current sense resistor
Hi,In DRV8303 IC there are 2 current resistors. is one current resistor is enough for sensing current for 3 phase stepper motor? if so can you please explain me how it works.Thanks,Jeeva J
View ArticleSupply Voltage and Current for DRV8308
Hello,I am using a DRV8308EVM and am attempting to supply 24V at the VM pin with a 60V, 5A MAX power supply. However, the board draws 3A by the time I've supplied only a few volts. I suspect a short...
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DRV8825 current limiting issue
I am using the DRV8825 with a stepper motor, and have experienced an issue when the motor is standing still. Below is the circuit schematicThe schematic does not show a 1.5kohm resistor between the...
View ArticleDRV8711 doesn`t respond on spi
Greatings! I`m using DRV8711 for very first time! I`ve powered the driver with 12V and I`m using dsPIC30F5015(5Vcc) as a microcontroller. Reset pin is connected to GND and SLEEPn to Vcc(5V) as the...
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